ASoC: Remove unused -codec from Wolfson device driver names

Devices that aren't MFDs don't need to distinguish this.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8940.c b/sound/soc/codecs/wm8940.c
index 0fe4545..14039ea 100644
--- a/sound/soc/codecs/wm8940.c
+++ b/sound/soc/codecs/wm8940.c
@@ -779,7 +779,7 @@
 
 static struct i2c_driver wm8940_i2c_driver = {
 	.driver = {
-		.name = "wm8940-codec",
+		.name = "wm8940",
 		.owner = THIS_MODULE,
 	},
 	.probe =    wm8940_i2c_probe,